The secrets of World War II

ilesia, with particularly harsh conditions and penal work in the quarries. The motto of that place was Vermichtung durch Arbeit (Annihilation through work). Around 40 000 prisoners died here: Poles, Jews, Russians, French and Hungarian.

cliff by the side of the Pelcznica River. Located 395 meters above the sea level and surrounded by a beautiful forest, the castle is sometimes called the Pearl of Lower Silesia. The castle's location combined with its size is not a common sight in Europe. In 1943 Hitler's paramilitary organization Tod began building one of his main quarters which, along with other objects of the Riese complex close the castle, near Osowka and Wlodarz, played a crucial role.

The mysterious structure called The Underground city still hasn't revealed all of its secrets … Discover the biggest and the most complex Hitler's headquarters in Lower Silesia.